Truck-bolster.



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UNrrnn STATES ATENT muc.

RICHARD lV. OSWALD, OF BLOOMSBURG, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO EDWARD B. TUSTIN, OF SAME PLACE.

TRUCK-HOLSTER.

SPECIFICATION forming part of Letters Patent No. 640,693, dated lJanuary 2, 1900. Application tiled March 29, 1899. Renewed December 12, 1899. Serial No. 740,112. (No model.)

To all whom it may concern.- braces, as 5, are interposed between the up- Be it known that L'RICHARD WV. OSWALD, per and lower members 2 and 3 at their cena citizen of the United States, residing at tral portions, said struts 5 being preferably Bloomsburg, in the county of Columbia and made of short sections of iron beams and ar- 5 State of Pennsylvania, have invented certain ranged so as to extend transversely with renew and useful Improvements in Truck-Bolspect to the bolster. The webs of the upper sters; and I do hereby declare the following and lower truck-bolster members are bolted to be a full', clear, and exact description of the or riveted to the anges of the struts 5 to seinventon, such as will enable others skilled curely hold them in place. The webs at the 6o 1o in the art to which it appertains to make and end of each of the members 2 and 3 may be use the same. bolted directly to each other; but I prefer- My invention relates to improvements in ably place a plate, as 6, between the said end truck-holsters; and it consists in a bolster portions, the inner ends of said plate 6 being comprising upper and lower members formed bent downwardly and bolted to the web of I5 of channel beams orironsarranged with their the lower member 3, as at 7, while the outer webs horizontal, the said members being end of each plate 6 is bent upwardly and spread apart centrally and secured together back upon itself, so as to inclose the web of at their ends, and means forbracing the parts the upper member 2, as at 8. To further with respect to each other. brace the structure, I preferably employ side 7o 2o It also consists of certain other novel conchannel or angle plates, as 4 el, made a little structions, combinations, and arrangements shorter than the bolster, but extending beof parts, as will be hereinafter described and yond the points where the upper and lower claimed. members meet. This channel brace-plate 4.

In the accompanying drawings, Figure 1 is mounted so that its flanges project out- 75 25 represents a side elevation of a truck-bolster wardly, while its web portion is bolted to the constructed in accordance with myinvention. flanges of the upper and lower members 2 Fig. 2 represents a top plan view of the same. and 3. The web of the channel-plate 9 may Fig. 3 represents an end View of the bolster; also be connected and braced with respect to Fig. et, a central vertical transverse cross-secthe struts 5 by riveting angle-plates, as 10 10, 8o 3o tion through the same. Fig. 5 represents a to the webs of the strut-s 5 and the webs of side elevation of a bolster employingadifferthe plates 4. It will thus be seen that all of ent kind of bracing side plate, and Fig. 6 repthe parts of the bolster are thoroughly braced resents a detail view showinga dierent Way with respect to each other, so as to receive of forming guides at the ends of the bolster. both vertical and lateral strains with great 35 1 in the drawings represents the bolster; 2, rigidity.

the upper member; 3, the lowermember, and As seen in Fig. 5 of the drawings, the iu- 4 a brace-plate secured to the side of the said termediate plates 6 may be dispensed with at bolster. the ends of lthe bolster, if desired, the webs I nd that a bolster of great strength and of the upper and lower members thereof be- 9o 4o yet of light cost can be produced by the use ing bolted together. In this view it will also of channel bars or irons suitably bent and rivappear that the shape of the side braceeted together. The upper member 2 is prefplates may be modified, as they mayconsist erably arranged with its web horizontal and of iiat plates 11, cut' so as to fit the upper and its flanges extending above the web, while lower contours of the bolster and riveted to 45 the lower member 3 is arranged with its web the flanges of the upper and lower members horizontal and its flanges extending downthereof. In order to form vertical guides at wardly. The upper member 2 is arched centhe ends of each of the bolsters, plates, as 12 trally, while the lower member is depressed 12, may be bolted to the sides ot' the said bolcentrally, the two members being brought toster at its ends, leaving a space between the 10o 5o gether for a portion of their length at each said plates and the ends of the side braceend and securely bolted together. Struts or plates 4, as clearly seen in Figs. 1 and 2 of formingasimple construction, but one that is.

inexpensive.

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-

l. A truck-bolster comprising upper and lower members formed of channel-irons haying their webs arranged horizontally, and the flanges extending in opposite directions from each other said chan nel-irons being separated centrally of their length and being brought together at their ends, means applied to the sides ofthe channel-irons for bracing the centrallyseparated parts with respect to each other, and means for securing the ends to form a suitable structure, substantially as described. Y

2. A truck-bolster comprising upper and lower channel-beam members having their upper meinberextending upwardly, While the flanges of the lower member extend downg Wardly, struts interposed between the central arched portions of the said members, the ends of said members being brought together and Q bolted or riveted,side brace-plates formed of central arched portions of the channel-irons,

side channel-irons for' bracing the structure having its web riveted or otherwise secured to the flanges of the upper and lower members and brace-plates secured to the webs of the struts and the web of the side channel-iron to t further brace the parts together, substantially as described. v

li. A truck-bolster comprising upper and lower members formed of channel beams or virons arched centrally, their-end portions oe- Ving brought together, struts formed of short f I-beams arranged transversely of the bolster,

side brace-plates riveted to the flanges of the channel-beams and braced with respect to Vthe Lbcams, plates for forming guides between thelnselves and the ends oi the said brace-plates, said plates being riveted or otherwise secured to the ends of the bolster, sub- Y -vstantially as described.

' webs arranged horizontally, the lianges of lthe Vsignature in presence of two witnesses.

In testimony whereofl I hereunto aiix my RICHARD VVOSWALD.

Witnessesz,

S. F. PEAeocK, R. L. ORANGE. 

